LI Jian feng, XU Zheng qiu, MA Jun, MIAO Jian yu. Study on Hydrocarbon-producing Potential of Carbonate Rocks in Ordovician of Lower Paleozoic in Odros Basin[J]. Acta Sedimentologica Sinica, 2003, 21(4): 702-706.
| Citation:
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LI Jian feng, XU Zheng qiu, MA Jun, MIAO Jian yu. Study on Hydrocarbon-producing Potential of Carbonate Rocks in Ordovician of Lower Paleozoic in Odros Basin[J]. Acta Sedimentologica Sinica, 2003, 21(4): 702-706.
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Study on Hydrocarbon-producing Potential of Carbonate Rocks in Ordovician of Lower Paleozoic in Odros Basin
- 1.
Department of Geology, Northwest University,Xi'an 710069;
- 2.
Institute of Petroleum Exploration and Development of Changqing Oil Field Company, CNPC, Xi'an 710021
- Received Date: 2002-09-05
- Rev Recd Date:
2003-03-20
- Publish Date:
2003-12-10
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Abstract
In a maturity, the proportion derived between the gaseous hydrocarbon productivity and the final productivity of gaseous hydrocarbon from organic matter is the ratio of productivity, the connection between the ratio of productivity and maturity can be established by means of analyzing productivity ratio of the same type organic matter in different stage.The balance of element is a balance among matter, which exits between organic matter and its product and residual product.This paper mainly discusses the hydrocarbon-producing potential of carbonate rocks in Ordovician system of lower Paleozoic group in Odros basin by employing the method of ratio of productivity and element balance, and find that carbonate rock containing clay can produce some amount of hydrocarbon in Ordovician system of lower Paleozoic group and its final productivity of gaseous hydrocarbon can reach the ratio of 420 ～ 430 m3/T·Co t, which corresponds with that of Ⅱ-ty pe kerogen.At the same time, the pure carbonate rock bear relative low hydrocarbon-producing potential (only 120 m3/ T·Cot)
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